ssp. micranthos (Gugler) Hayek
Description: Native to Eurasia, is a serious problem on rangelands in the western United States. It is a particular threat to pristine natural areas such as the Grand Teton National Park.
Image type: Field
Image location: Wyoming, United States
Specimen in collection: No
Name: Carol DiSalvo
Organization: USDI National Park Service
Country: United States